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ccna discovery 1 chapter 9 v4.0
1) What should a network administrator do first after receiving a call from a user
who cannot access the company web server?
Reboot the web server.
Replace the NIC of the computer.
Ask the user to log off and log on again.
* Ask the user what URL has been typed and what error message displays.
2) A customer called the cable company to report that the Internet connection is
unstable. After trying several configuration changes, the technician decided to send
the customer a new cable modem to try. What troubleshooting technique does this
represent?
top-down
bottom-up
* substitution
trial-and-error
divide-and-conquer
3) Only one workstation on a particular network cannot reach the Internet. What is
the first troubleshooting step if the divide-and-conquer method is being used?
Check the NIC, and then check the cabling.
* Check the workstation TCP/IP configuration.
Test all cables, and then test layer by layer up the OSI model.
Attempt to Telnet, and then test layer by layer down the OSI model.
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